package com.kurntphpr.sistema.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import jdk.jfr.events.ThrowablesEvent;

import org.hibernate.Hibernate;
import org.hibernate.SessionFactory;

import com.kurntphpr.sistema.java.HibernateUtil;
import com.sun.net.httpserver.Filter.Chain;

@SuppressWarnings("unused")
public class ConexaoHibernateFilter implements Filter {
	
	private SessionFactory sf;

	@Override
	public void destroy() {
				
	}

	@Override
	public void doFilter(ServletRequest serveletFilter, ServletResponse serveletResponse,
			FilterChain chain) throws IOException, ServletException {
		
		try {
			
			this.sf.getCurrentSession().beginTransaction();
			chain.doFilter(serveletFilter, serveletResponse);
			this.sf.getCurrentSession().getTransaction().commit();
			this.sf.getCurrentSession().close();
			
		} catch (Throwable ex) {
			
			try {
				if(this.sf.getCurrentSession().getTransaction().isActive()){
				this.sf.getCurrentSession().getTransaction().rollback();
				}
				
			} catch (Throwable t) {
				t.printStackTrace();
			}
			
			throw new ServletException();
			
		}
		
	}

	@Override
	public void init(FilterConfig conf) throws ServletException {
		this.sf = HibernateUtil.getSession();
		
	}

}
